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Jia J, Shi S, Liu C, Shu T, Li T, Lou Q, Jin X, He J, Du Z, Zhai G, Yin Z. Use of All-Male cyp17a1-Deficient Zebrafish (Danio rerio) for Evaluation of Environmental Estrogens. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2024; 43:1062-1074. [PMID: 38477699 DOI: 10.1002/etc.5839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 11/17/2023] [Accepted: 01/31/2024] [Indexed: 03/14/2024]
Abstract
Natural and synthetic environmental estrogens (EEs) are widespread and have received extensive attention. Our previous studies demonstrated that depletion of the cytochrome P450 17a1 gene (cyp17a1) leads to all-testis differentiation phenotype in zebrafish and common carp. In the present study, cyp17a1-deficient zebrafish with defective estrogen biosynthesis were used for the evaluation of EEs, as assessed by monitoring vitellogenin (vtg) expression. A rapid and sensitive assessment procedure was established with the 3-day administration of estradiol (E2), followed by examination of the transcriptional expression of vtgs in our cyp17a1-deficient fish. Compared with the control fish, a higher E2-mediated vtg upregulation observed in cyp17a1-deficient zebrafish exposed to 0.1 μg/L E2 is known to be estrogen receptor-dependent and likely due to impaired in vivo estrogen biosynthesis. The more responsive vtg expression in cyp17a1-deficient zebrafish was observed when exposed to 200 and 2000 μg/L bisphenol A (BPA) and perfluoro-1-octanesulfonate (PFOS). The estrogenic potentials of E2, BPA, and PFOS were compared and assessed by the feminization effect on ovarian differentiation in cyp17a1-deficient zebrafish from 18 to 50 days postfertilization, based on which a higher sensitivity of E2 in ovarian differentiation than BPA and PFOS was concluded. Collectively, through the higher sensitivity to EEs and the capacity to distinguish chemicals with different estrogenic potentials exhibited by the all-male cyp17a1-deficient zebrafish with impaired estrogen biosynthesis, we demonstrated that they can be used as an excellent in vivo model for the evaluation of EEs. Environ Toxicol Chem 2024;43:1062-1074. © 2024 SETAC.
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Affiliation(s)
- Jingyi Jia
- State key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei, China
- College of Fisheries, Huazhong Agriculture University, Wuhan, Hubei, China
| | - Shengchi Shi
- State key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei, China
- College of Advanced Agricultural Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Congying Liu
- State key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei, China
- College of Advanced Agricultural Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Tingting Shu
- State key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei, China
- College of Advanced Agricultural Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Tianhui Li
- State key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei, China
- College of Advanced Agricultural Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Qiyong Lou
- State key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei, China
| | - Xia Jin
- State key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei, China
| | - Jiangyan He
- State key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei, China
| | - Zhenyu Du
- LANEH, School of Life Sciences, East China Normal University, Shanghai, China
| | - Gang Zhai
- State key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei, China
- College of Advanced Agricultural Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Zhan Yin
- State key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei, China
- College of Advanced Agricultural Sciences, University of Chinese Academy of Sciences, Beijing, China
- The Innovative Academy of Seed Design, Chinese Academy of Sciences, Wuhan, China
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Corniuk RN, Lynch JM, Arendt MD, Braun-McNeill J, Owens DW, Valverde RA, Kucklick JR, McClellan-Green PD. Using Plasma Vitellogenin in Loggerhead Sea Turtles to Assess Reproductive Maturation and Estrogen-Like Contaminant Exposure. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2023; 42:1309-1325. [PMID: 36942377 DOI: 10.1002/etc.5612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 03/09/2023] [Accepted: 03/16/2023] [Indexed: 05/09/2023]
Abstract
Vitellogenin (VTG), an egg yolk precursor, is abnormally produced by male and juvenile oviparous species after exposure to estrogens. Plasma VTG in loggerhead sea turtles (Caretta caretta) helped us understand their reproductive maturation and investigate it as a biomarker of contaminant exposure. The presence of VTG was screened in plasma from 404 loggerheads from the northwestern Atlantic Ocean using a freshwater turtle antibody in western blots. The concentrations of VTG were semiquantified using band intensities calibrated to results from a loggerhead antibody enzyme-linked immunoassay. The detection and concentrations of VTG were in (from highest to lowest): nesting females, in-water adult females, subadult females, smaller females, unknown sex, and males. Loggerheads from this region begin vitellogenesis at ≅77 cm straight carapace length. We classified VTG expression as abnormal in nine male or juvenile turtles. Organochlorine contaminant (OC) concentrations were measured in blood and/or fat biopsies of some turtles. One abnormal VTG female had the second highest fat polychlorinated biphenyl (PCB) and 4,4'-dichlorodiphenyldichloroethylene concentrations compared among 43 VTG-negative juveniles. The nine VTG-abnormal turtles had average blood PCB concentrations 8.5% higher, but not significantly different, than 46 VTG-negative juveniles (p = 0.453). In turtles less than 77 cm, blood PCB concentrations were significantly, but weakly, correlated with semiquantified VTG concentrations (tau = 0.1, p = 0.004). Greater blood OC concentrations were found in adult females than in males, which motivated the creation of a conceptual model of OC, VTG, and hormone concentrations across a reproductive cycle. A decision tree is also provided incorporating VTG as a sexing tool. Abnormal VTG expression cannot conclusively be linked to endocrine disruption caused by these OC concentrations. Studies should further investigate causes of abnormal VTG expression in wild sea turtles. Environ Toxicol Chem 2023;00:1-18. © 2023 SETAC. This article has been contributed to by U.S. Government employees and their work is in the public domain in the USA.
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Affiliation(s)
| | - Jennifer M Lynch
- National Institute of Standards and Technology, Waimanalo, Hawaii, USA
- Duke University Marine Laboratory, Beaufort, North Carolina, USA
| | - Michael D Arendt
- Marine Resources Division, South Carolina Department of Natural Resources, Charleston, South Carolina, USA
| | | | - David W Owens
- College of Charleston, Charleston, South Carolina, USA
| | - Roldán A Valverde
- Southeastern Louisiana University, Hammond, Louisiana, USA
- Sea Turtle Conservancy, Gainesville, Florida, USA
| | - John R Kucklick
- National Institute of Standards and Technology, Charleston, South Carolina, USA
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Zezza D, Bisegna A, Angelozzi G, Merola C, Conte A, Amorena M, Perugini M. Impact of Endocrine Disruptors on Vitellogenin Concentrations in Wild Brown Trout (Salmo trutta trutta). BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2020; 105:218-223. [PMID: 32591851 DOI: 10.1007/s00128-020-02916-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2020] [Accepted: 06/13/2020] [Indexed: 06/11/2023]
Abstract
The adverse effects of endocrine disruptors (EDs) on aquatic wildlife and human health represent a current issue of high public concern. Substantial knowledge of the level of estrogenic EDs in fish has accumulated from field surveys. For this purpose, a survey of wild brown trout (Salmo trutta trutta) was carried out to assess the incidence of EDs in the feral fish population living in the Liri river (Abruzzi, Italy). The results of this study show that this aquatic environment possesses an estrogenic potency that triggered the increase of vitellogenin levels in both female and male trouts. Fish exposed to different pesticides and urban waste in downstream river showed higher vitellogenin levels in comparison to the headwater site. Furthermore, some trouts coming from the downstream reported the presence of several pesticides and fungicides, some of these banned several years ago.
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Affiliation(s)
- Daniela Zezza
- Faculty of Bioscience and Agro-Food and Environmental Technology, Teramo University, Località Piano d'Accio, 64100, Teramo, Italy
| | - Angelo Bisegna
- Faculty of Bioscience and Agro-Food and Environmental Technology, Teramo University, Località Piano d'Accio, 64100, Teramo, Italy
| | - Giovanni Angelozzi
- Faculty of Bioscience and Agro-Food and Environmental Technology, Teramo University, Località Piano d'Accio, 64100, Teramo, Italy
| | - Carmine Merola
- Faculty of Bioscience and Agro-Food and Environmental Technology, Teramo University, Località Piano d'Accio, 64100, Teramo, Italy
| | - Annamaria Conte
- Istituto Zooprofilattico Sperimentale "G. Caporale", via Campo Boario, 64100, Teramo, Italy
| | - Michele Amorena
- Faculty of Bioscience and Agro-Food and Environmental Technology, Teramo University, Località Piano d'Accio, 64100, Teramo, Italy
| | - Monia Perugini
- Faculty of Bioscience and Agro-Food and Environmental Technology, Teramo University, Località Piano d'Accio, 64100, Teramo, Italy.
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Yoshino A, Polouliakh N, Meguro A, Takeuchi M, Kawagoe T, Mizuki N. Chum salmon egg extracts induce upregulation of collagen type I and exert antioxidative effects on human dermal fibroblast cultures. Clin Interv Aging 2016; 11:1159-68. [PMID: 27621603 PMCID: PMC5010078 DOI: 10.2147/cia.s102092] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Components of fish roe possess antioxidant and antiaging activities, making them potentially very beneficial natural resources. Here, we investigated chum salmon eggs (CSEs) as a source of active ingredients, including vitamins, unsaturated fatty acids, and proteins. We incubated human dermal fibroblast cultures for 48 hours with high and low concentrations of CSE extracts and analyzed changes in gene expression. Cells treated with CSE extract showed concentration-dependent upregulation of collagen type I genes and of multiple antioxidative genes, including OXR1, TXNRD1, and PRDX family genes. We further conducted in silico phylogenetic footprinting analysis of promoter regions. These results suggested that transcription factors such as acute myeloid leukemia-1a and cyclic adenosine monophosphate response element-binding protein may be involved in the observed upregulation of antioxidative genes. Our results support the idea that CSEs are strong candidate sources of antioxidant materials and cosmeceutically effective ingredients.
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Affiliation(s)
- Atsushi Yoshino
- Department of Ophthalmology and Visual Science, Yokohama City University Graduate School of Medicine, Yokohama, Kanagawa
| | - Natalia Polouliakh
- Department of Ophthalmology and Visual Science, Yokohama City University Graduate School of Medicine, Yokohama, Kanagawa; Sony Computer Science Laboratories Inc., Fundamental Research Laboratories; Systems Biology Institute, Tokyo, Japan
| | - Akira Meguro
- Department of Ophthalmology and Visual Science, Yokohama City University Graduate School of Medicine, Yokohama, Kanagawa
| | - Masaki Takeuchi
- Department of Ophthalmology and Visual Science, Yokohama City University Graduate School of Medicine, Yokohama, Kanagawa; Inflammatory Disease Section, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD, USA
| | - Tatsukata Kawagoe
- Department of Ophthalmology and Visual Science, Yokohama City University Graduate School of Medicine, Yokohama, Kanagawa
| | - Nobuhisa Mizuki
- Department of Ophthalmology and Visual Science, Yokohama City University Graduate School of Medicine, Yokohama, Kanagawa
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Jandegian CM, Deem SL, Bhandari RK, Holliday CM, Nicks D, Rosenfeld CS, Selcer KW, Tillitt DE, Vom Saal FS, Vélez-Rivera V, Yang Y, Holliday DK. Developmental exposure to bisphenol A (BPA) alters sexual differentiation in painted turtles (Chrysemys picta). Gen Comp Endocrinol 2015; 216:77-85. [PMID: 25863134 DOI: 10.1016/j.ygcen.2015.04.003] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2014] [Revised: 04/01/2015] [Accepted: 04/03/2015] [Indexed: 12/17/2022]
Abstract
Environmental chemicals can disrupt endocrine signaling and adversely impact sexual differentiation in wildlife. Bisphenol A (BPA) is an estrogenic chemical commonly found in a variety of habitats. In this study, we used painted turtles (Chrysemys picta), which have temperature-dependent sex determination (TSD), as an animal model for ontogenetic endocrine disruption by BPA. We hypothesized that BPA would override TSD and disrupt sexual development. We incubated farm-raised turtle eggs at the male-producing temperature (26°C), randomly assigned individuals to treatment groups: control, vehicle control, 17β-estradiol (E2, 20ng/g-egg) or 0.01, 1.0, 100μgBPA/g-egg and harvested tissues at hatch. Typical female gonads were present in 89% of the E2-treated "males", but in none of the control males (n=35). Gonads of BPA-exposed turtles had varying amounts of ovarian-like cortical (OLC) tissue and disorganized testicular tubules in the medulla. Although the percentage of males with OLCs increased with BPA dose (BPA-low=30%, BPA-medium=33%, BPA-high=39%), this difference was not significant (p=0.85). In all three BPA treatments, SOX9 patterns revealed disorganized medullary testicular tubules and β-catenin expression in a thickened cortex. Liver vitellogenin, a female-specific liver protein commonly used as an exposure biomarker, was not induced by any of the treatments. Notably, these results suggest that developmental exposure to BPA disrupts sexual differentiation in painted turtles. Further examination is necessary to determine the underlying mechanisms of sex reversal in reptiles and how these translate to EDC exposure in wild populations.
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Affiliation(s)
- Caitlin M Jandegian
- Saint Louis Zoo Institute for Conservation Medicine, One Government Drive, St. Louis, MO 63110, United States; USGS Columbia Environmental Research Center, 4200 New Haven Rd, Columbia, MO 65201, United States; Bond Life Sciences Center, 1201 E. Rollins St., University of Missouri, Columbia, MO 65201, United States.
| | - Sharon L Deem
- Saint Louis Zoo Institute for Conservation Medicine, One Government Drive, St. Louis, MO 63110, United States; Veterinary Medicine and Surgery, 1600 E. Rollins St., University of Missouri, Columbia, MO 65201, United States.
| | - Ramji K Bhandari
- USGS Columbia Environmental Research Center, 4200 New Haven Rd, Columbia, MO 65201, United States; Biological Sciences, University of Missouri, Columbia, MO 65201, United States.
| | - Casey M Holliday
- Pathology and Anatomical Sciences, School of Medicine, One Hospital Drive, University of Missouri, Columbia, MO 65212, United States.
| | - Diane Nicks
- USGS Columbia Environmental Research Center, 4200 New Haven Rd, Columbia, MO 65201, United States.
| | - Cheryl S Rosenfeld
- Bond Life Sciences Center, 1201 E. Rollins St., University of Missouri, Columbia, MO 65201, United States; Biomedical Sciences, 1600 E. Rollins St., University of Missouri, Columbia, MO 65201, United States; Genetics Area Program, University of Missouri, Columbia, MO 65201, United States.
| | - Kyle W Selcer
- Biological Sciences, Duquesne University, 600 Forbes Ave., Pittsburgh, PA 15282, United States.
| | - Donald E Tillitt
- USGS Columbia Environmental Research Center, 4200 New Haven Rd, Columbia, MO 65201, United States; Biological Sciences, University of Missouri, Columbia, MO 65201, United States.
| | | | - Vanessa Vélez-Rivera
- USGS Columbia Environmental Research Center, 4200 New Haven Rd, Columbia, MO 65201, United States.
| | - Ying Yang
- Bond Life Sciences Center, 1201 E. Rollins St., University of Missouri, Columbia, MO 65201, United States.
| | - Dawn K Holliday
- Pathology and Anatomical Sciences, School of Medicine, One Hospital Drive, University of Missouri, Columbia, MO 65212, United States; Biology and Environmental Science, Westminster College, 501 Westminster Ave, Fulton, MO 65251, United States.
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Bhandari RK, Deem SL, Holliday DK, Jandegian CM, Kassotis CD, Nagel SC, Tillitt DE, Vom Saal FS, Rosenfeld CS. Effects of the environmental estrogenic contaminants bisphenol A and 17α-ethinyl estradiol on sexual development and adult behaviors in aquatic wildlife species. Gen Comp Endocrinol 2015; 214:195-219. [PMID: 25277515 DOI: 10.1016/j.ygcen.2014.09.014] [Citation(s) in RCA: 167] [Impact Index Per Article: 18.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2014] [Revised: 08/08/2014] [Accepted: 09/20/2014] [Indexed: 12/12/2022]
Abstract
Endocrine disrupting chemicals (EDCs), including the mass-produced component of plastics, bisphenol A (BPA) are widely prevalent in aquatic and terrestrial habitats. Many aquatic species, such as fish, amphibians, aquatic reptiles and mammals, are exposed daily to high concentrations of BPA and ethinyl estradiol (EE2), estrogen in birth control pills. In this review, we will predominantly focus on BPA and EE2, well-described estrogenic EDCs. First, the evidence that BPA and EE2 are detectable in almost all bodies of water will be discussed. We will consider how BPA affects sexual and neural development in these species, as these effects have been the best characterized across taxa. For instance, such chemicals have been in many cases reported to cause sex-reversal of males to females. Even if these chemicals do not overtly alter the gonadal sex, there are indications that several EDCs might demasculinize male-specific behaviors that are essential for attracting a mate. In so doing, these chemicals may reduce the likelihood that these males reproduce. If exposed males do reproduce, the concern is that they will then be passing on compromised genetic fitness to their offspring and transmitting potential transgenerational effects through their sperm epigenome. We will thus consider how diverse epigenetic changes might be a unifying mechanism of how BPA and EE2 disrupt several processes across species. Such changes might also serve as universal species diagnostic biomarkers of BPA and other EDCs exposure. Lastly, the evidence that estrogenic EDCs-induced effects in aquatic species might translate to humans will be considered.
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Affiliation(s)
- Ramji K Bhandari
- Biological Sciences, University of Missouri, Columbia, MO 65211, USA; Columbia Environmental Research Center, U.S. Geological Survey, Columbia, MO 65201, USA
| | - Sharon L Deem
- Institute for Conservation Medicine, Saint Louis Zoo, Saint Louis, MO 63110, USA; Veterinary Clinical Medicine, University of Missouri, Columbia, MO 65211, USA
| | - Dawn K Holliday
- Department of Biology and Environmental Science, Westminster College, Fulton, MO 65251, USA; Department of Pathology and Anatomical Sciences, University of Missouri, Columbia, MO 65211, USA
| | - Caitlin M Jandegian
- Columbia Environmental Research Center, U.S. Geological Survey, Columbia, MO 65201, USA; Institute for Conservation Medicine, Saint Louis Zoo, Saint Louis, MO 63110, USA; Masters in Public Health Program, University of Missouri, Columbia, MO 65211, USA
| | | | - Susan C Nagel
- Biological Sciences, University of Missouri, Columbia, MO 65211, USA; Obstetrics, Gynecology, & Women's Health, University of Missouri, Columbia, MO 65211, USA
| | - Donald E Tillitt
- Columbia Environmental Research Center, U.S. Geological Survey, Columbia, MO 65201, USA
| | | | - Cheryl S Rosenfeld
- Biomedical Sciences, University of Missouri, Columbia, MO 65211, USA; Bond Life Sciences Center, University of Missouri, Columbia, MO 65211, USA; Genetics Area Program Faculty Member, University of Missouri, Columbia, MO 65211, USA.
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Shen G, Lin Y, Yang C, Xing R, Zhang H, Chen E, Han C, Liu H, Zhang W, Xia Q. Vertebrate estrogen regulates the development of female characteristics in silkworm, Bombyx mori. Gen Comp Endocrinol 2015; 210:30-7. [PMID: 25285397 DOI: 10.1016/j.ygcen.2014.09.016] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2014] [Revised: 09/01/2014] [Accepted: 09/20/2014] [Indexed: 11/30/2022]
Abstract
The vertebrate estrogens include 17-β-estradiol (E2), which has an analog in silkworm ovaries. In this study, the Bombyx mori vitellogenin gene (BmVg) was used as a biomarker to analyze the function of the E2 in silkworm. In most oviparous animals, Vg has female-specific expression. However, BmVg expression was also detected in B. mori males. Stage specific fluctuation of BmVg expression was similar in males and females, but expression levels in males were lower than in females. E2 treatment by injection or feeding of male larvae in the final instar stage induced and stimulated male BmVg transcription and protein synthesis. When silkworm ovary primordia were transplanted into males, BmVg was induced in male fat bodies. Transplanted ovaries primordia were also able to develop into ovaries and produce mature eggs. When females were treated with E2 promoted BmVg/BmVn protein accumulation in hemolymph, ovaries and eggs. However, BmVg transcription was decreased in female fat bodies. An E2 analog was identified in the hemolymph of day 3 wandering silkworms using high-performance liquid chromatography. Estradiol titers from fifth late-instar larvae to pupal stage were determined by enzyme-linked immunosorbent assay. The results suggested that silkworms synthesized a vertebrate E2 analog. This study found that E2 promoted the synthesis of BmVg, a female typical protein in silkworms.
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Affiliation(s)
- Guanwang Shen
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, China
| | - Ying Lin
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, China
| | - Congwen Yang
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, China
| | - Runmiao Xing
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, China
| | - Haiyan Zhang
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, China
| | - Enxiang Chen
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, China
| | - Chaoshan Han
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, China
| | - Hongling Liu
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, China
| | - Weiwei Zhang
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, China
| | - Qingyou Xia
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, China.
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Unal G, Marquez EC, Feld M, Stavropoulos P, Callard IP. Isolation of estrogen receptor subtypes and vitellogenin genes: Expression in female Chalcalburnus tarichi. Comp Biochem Physiol B Biochem Mol Biol 2014; 172-173:67-73. [DOI: 10.1016/j.cbpb.2014.04.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2013] [Revised: 03/17/2014] [Accepted: 04/08/2014] [Indexed: 11/17/2022]
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Plumel MI, Wasselin T, Plot V, Strub JM, Van Dorsselaer A, Carapito C, Georges JY, Bertile F. Mass spectrometry-based sequencing and SRM-based quantitation of two novel vitellogenin isoforms in the leatherback sea turtle (Dermochelys coriacea). J Proteome Res 2013; 12:4122-35. [PMID: 23837631 DOI: 10.1021/pr400444m] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
No biomarker has yet been discovered to identify the reproductive status of the endangered leatherback sea turtle (Dermochelys coriacea). Although vitellogenin (VTG) could be used for this, its sequence is not known in D. coriacea and no quantitative assay has been carried out in this species to date. Using de novo sequencing-based proteomics, we unambiguously characterized sequences of two different VTG isoforms that we named Dc-VTG1 and Dc-VTG2. To our knowledge, this is the first clear evidence of different VTG isoforms and the structural characterization of derived yolk proteins in reptiles. This work illustrates how massive de novo sequencing can characterize novel sequences when working on "exotic" nonmodel species in which even nucleotide sequences are not available. We developed assays for absolute quantitation of these two isoforms using selected reaction monitoring (SRM) mass spectrometry, thus providing the first SRM assays developed specifically for a nonsequenced species. Plasma levels of Dc-VTG1 and Dc-VTG2 decreased as the nesting season proceeded, and were closely related to the increased levels of reproductive effort. The SRM assays developed here therefore provide an original and efficient approach for the reliable monitoring of reproduction cycles not only in D. coriacea, but potentially in other turtle species.
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Affiliation(s)
- Marine I Plumel
- Département Sciences Analytiques, Université de Strasbourg, IPHC, 25 rue Becquerel, 67087 Strasbourg, France
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Liang Y, Fang Z. Molecular cloning and mRNA expression of the vitellogenin and nuclear receptor gene induced by 17β-estradiol in the mud carp, Cirrhinus molitorella. ECOTOXICOLOGY (LONDON, ENGLAND) 2012; 21:719-729. [PMID: 22193541 DOI: 10.1007/s10646-011-0831-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 11/11/2011] [Indexed: 05/31/2023]
Abstract
Vitellogenins (VTGs), the precursors of yolk proteins, are crucial for the embryonic development of teleosts, and have also been studied extensively as biomarkers for environmental estrogenic mimics. The cDNA of a VTG was isolated from the liver of male mud carp (Cirrhinus molitorella) following induction by 17β-estradiol (E(2)) using 3'- and 5'-RACE methods. It was 4,216 bp in length, and encoded a putative protein of 1,342 amino acids. This putative VTG contained complete portions of lipovitellin I (LVI) and phosvitin, but lacked the C-terminal half of LVII and was thus classed as a type I vitellogenin. In addition, the partial cDNA of estrogen receptors (ERα and ERβ) and androgen receptors (AR) were cloned. The mRNA expression of VTG, ERα, ERβ and AR were examined in the liver of juvenile mud carp exposed to E(2) (0, 5, 50 and 500 ng/l) in the water for 2, 4, 6 and 8 days. Quantitative reverse transcription PCR (RT-PCR) revealed a significant increase in transcript levels of VTG and ERα but not of ERβ and AR. VTG and ERα were expressed in a time-dose-dependent manner. Our results imply that ERα may be the principal subtype that regulates VTG, and that VTG mRNA of mud carp is an ideal biomarker to detect environmental estrogens.
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Affiliation(s)
- Yue Liang
- Key Laboratory of Ecology and Environmental Science in Guangdong Higher Education, College of Life Science, South China Normal University, Guangzhou 510631, China
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Saka M, Tada N, Kamata Y. Cross-reactivity of a Polyclonal Antibody Against Chinemys reevesii Vitellogenin with the Vitellogenins of Other Turtle Species: Chelydra serpentina, Macrochelys temminckii, and Pelodiscus sinensis. Zoolog Sci 2008; 25:907-11. [DOI: 10.2108/zsj.25.907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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12
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Recent Papers on Zebrafish and Other Aquarium Fish Models. Zebrafish 2008. [DOI: 10.1089/zeb.2008.9989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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